Introduction to Database System A form defines none of the listed here where data is placed on the screen the width of each field both of the listed here none of the listed here where data is placed on the screen the width of each field both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. parent subtype instance child parent subtype instance child ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data record database data file data bank data record database data file data bank ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
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